266 lines
7.0 KiB
C
266 lines
7.0 KiB
C
/* DirectDraw - IDirectPalette base interface
|
|
*
|
|
* Copyright 1997-2000 Marcus Meissner
|
|
* Copyright 2000-2001 TransGaming Technologies Inc.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "winerror.h"
|
|
#include "debugtools.h"
|
|
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
|
|
#include "ddraw_private.h"
|
|
#include "dpalette/main.h"
|
|
#include "ddraw/main.h"
|
|
|
|
DEFAULT_DEBUG_CHANNEL(ddraw);
|
|
|
|
#define SIZE_BITS (DDPCAPS_1BIT | DDPCAPS_2BIT | DDPCAPS_4BIT | DDPCAPS_8BIT)
|
|
|
|
/* For unsigned x. 0 is not a power of 2. */
|
|
#define IS_POW_2(x) (((x) & ((x) - 1)) == 0)
|
|
|
|
static ICOM_VTABLE(IDirectDrawPalette) DDRAW_Main_Palette_VTable;
|
|
|
|
/******************************************************************************
|
|
* IDirectDrawPalette
|
|
*/
|
|
HRESULT Main_DirectDrawPalette_Construct(IDirectDrawPaletteImpl* This,
|
|
IDirectDrawImpl* pDD, DWORD dwFlags)
|
|
{
|
|
if (!IS_POW_2(dwFlags & SIZE_BITS)) return DDERR_INVALIDPARAMS;
|
|
|
|
if (dwFlags & DDPCAPS_8BITENTRIES)
|
|
WARN("creating palette with 8 bit entries\n");
|
|
|
|
This->flags = dwFlags;
|
|
This->palNumEntries = Main_DirectDrawPalette_Size(dwFlags);
|
|
This->ref = 1;
|
|
|
|
This->local.lpGbl = &This->global;
|
|
This->local.lpDD_lcl = &pDD->local;
|
|
This->global.lpDD_lcl = &pDD->local;
|
|
This->global.dwProcessId = GetCurrentProcessId();
|
|
|
|
This->final_release = Main_DirectDrawPalette_final_release;
|
|
ICOM_INIT_INTERFACE(This, IDirectDrawPalette, DDRAW_Main_Palette_VTable);
|
|
|
|
/* we could defer hpal creation until we need it,
|
|
* but does anyone have a case where it would be useful? */
|
|
This->hpal = CreatePalette((const LOGPALETTE*)&(This->palVersion));
|
|
|
|
Main_DirectDraw_AddPalette(pDD, This);
|
|
|
|
return DD_OK;
|
|
}
|
|
|
|
HRESULT
|
|
Main_DirectDrawPalette_Create(IDirectDrawImpl* pDD, DWORD dwFlags,
|
|
LPDIRECTDRAWPALETTE* ppPalette,
|
|
LPUNKNOWN pUnkOuter)
|
|
{
|
|
IDirectDrawPaletteImpl* This;
|
|
HRESULT hr;
|
|
|
|
if (pUnkOuter != NULL)
|
|
return CLASS_E_NOAGGREGATION; /* unchecked */
|
|
|
|
This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
|
|
if (This == NULL) return E_OUTOFMEMORY;
|
|
|
|
hr = Main_DirectDrawPalette_Construct(This, pDD, dwFlags);
|
|
if (FAILED(hr))
|
|
HeapFree(GetProcessHeap(), 0, This);
|
|
else
|
|
*ppPalette = ICOM_INTERFACE(This, IDirectDrawPalette);
|
|
|
|
return hr;
|
|
}
|
|
|
|
DWORD Main_DirectDrawPalette_Size(DWORD dwFlags)
|
|
{
|
|
switch (dwFlags & SIZE_BITS)
|
|
{
|
|
case DDPCAPS_1BIT: return 2;
|
|
case DDPCAPS_2BIT: return 4;
|
|
case DDPCAPS_4BIT: return 16;
|
|
case DDPCAPS_8BIT: return 256;
|
|
default: assert(0); return 256;
|
|
}
|
|
}
|
|
|
|
HRESULT WINAPI
|
|
Main_DirectDrawPalette_GetEntries(LPDIRECTDRAWPALETTE iface, DWORD dwFlags,
|
|
DWORD dwStart, DWORD dwCount,
|
|
LPPALETTEENTRY palent)
|
|
{
|
|
ICOM_THIS(IDirectDrawPaletteImpl,iface);
|
|
|
|
TRACE("(%p)->GetEntries(%08lx,%ld,%ld,%p)\n",This,dwFlags,dwStart,dwCount,
|
|
palent);
|
|
|
|
if (dwFlags != 0) return DDERR_INVALIDPARAMS; /* unchecked */
|
|
if (dwStart + dwCount > Main_DirectDrawPalette_Size(This->flags))
|
|
return DDERR_INVALIDPARAMS;
|
|
|
|
if (This->flags & DDPCAPS_8BITENTRIES)
|
|
{
|
|
int i;
|
|
LPBYTE entry = (LPBYTE)palent;
|
|
|
|
for (i=dwStart; i < dwCount+dwStart; i++)
|
|
*entry++ = This->palents[i].peRed;
|
|
}
|
|
else
|
|
memcpy(palent, This->palents+dwStart, dwCount * sizeof(PALETTEENTRY));
|
|
|
|
return DD_OK;
|
|
}
|
|
|
|
HRESULT WINAPI
|
|
Main_DirectDrawPalette_SetEntries(LPDIRECTDRAWPALETTE iface, DWORD dwFlags,
|
|
DWORD dwStart, DWORD dwCount,
|
|
LPPALETTEENTRY palent)
|
|
{
|
|
ICOM_THIS(IDirectDrawPaletteImpl,iface);
|
|
|
|
TRACE("(%p)->SetEntries(%08lx,%ld,%ld,%p)\n",This,dwFlags,dwStart,dwCount,
|
|
palent);
|
|
|
|
if (This->flags & DDPCAPS_8BITENTRIES)
|
|
{
|
|
int i;
|
|
const BYTE* entry = (const BYTE*)palent;
|
|
|
|
for (i=dwStart; i < dwCount+dwStart; i++)
|
|
This->palents[i].peRed = *entry++;
|
|
}
|
|
else {
|
|
memcpy(This->palents+dwStart, palent, dwCount * sizeof(PALETTEENTRY));
|
|
|
|
if (This->hpal)
|
|
SetPaletteEntries(This->hpal, dwStart, dwCount, This->palents+dwStart);
|
|
|
|
if (This->flags & DDPCAPS_PRIMARYSURFACE) {
|
|
/* update physical palette */
|
|
LPDIRECTDRAWSURFACE7 psurf = NULL;
|
|
IDirectDraw7_GetGDISurface(ICOM_INTERFACE(This->ddraw_owner,IDirectDraw7), &psurf);
|
|
if (psurf) {
|
|
IDirectDrawSurfaceImpl *surf = ICOM_OBJECT(IDirectDrawSurfaceImpl,
|
|
IDirectDrawSurface7, psurf);
|
|
surf->update_palette(surf, This, dwStart, dwCount, palent);
|
|
IDirectDrawSurface7_Release(psurf);
|
|
}
|
|
else ERR("can't find GDI surface!!\n");
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
/* Now, if we are in 'depth conversion mode', update the screen palette */
|
|
/* FIXME: we need to update the image or we won't get palette fading. */
|
|
if (This->ddraw->d->palette_convert != NULL)
|
|
This->ddraw->d->palette_convert(palent,This->screen_palents,start,count);
|
|
#endif
|
|
|
|
return DD_OK;
|
|
}
|
|
|
|
void Main_DirectDrawPalette_final_release(IDirectDrawPaletteImpl* This)
|
|
{
|
|
Main_DirectDraw_RemovePalette(This->ddraw_owner, This);
|
|
|
|
if (This->hpal) DeleteObject(This->hpal);
|
|
}
|
|
|
|
static void Main_DirectDrawPalette_Destroy(IDirectDrawPaletteImpl* This)
|
|
{
|
|
This->final_release(This);
|
|
|
|
if (This->private != This+1)
|
|
HeapFree(GetProcessHeap(), 0, This->private);
|
|
|
|
HeapFree(GetProcessHeap(),0,This);
|
|
}
|
|
|
|
void Main_DirectDrawPalette_ForceDestroy(IDirectDrawPaletteImpl* This)
|
|
{
|
|
WARN("deleting palette %p with refcnt %lu\n", This, This->ref);
|
|
Main_DirectDrawPalette_Destroy(This);
|
|
}
|
|
|
|
ULONG WINAPI
|
|
Main_DirectDrawPalette_Release(LPDIRECTDRAWPALETTE iface)
|
|
{
|
|
ICOM_THIS(IDirectDrawPaletteImpl,iface);
|
|
TRACE("(%p)->() decrementing from %lu.\n", This, This->ref );
|
|
|
|
if (!--This->ref)
|
|
{
|
|
Main_DirectDrawPalette_Destroy(This);
|
|
return 0;
|
|
}
|
|
|
|
return This->ref;
|
|
}
|
|
|
|
ULONG WINAPI Main_DirectDrawPalette_AddRef(LPDIRECTDRAWPALETTE iface) {
|
|
ICOM_THIS(IDirectDrawPaletteImpl,iface);
|
|
TRACE("(%p)->() incrementing from %lu.\n", This, This->ref );
|
|
return ++This->ref;
|
|
}
|
|
|
|
HRESULT WINAPI
|
|
Main_DirectDrawPalette_Initialize(LPDIRECTDRAWPALETTE iface,
|
|
LPDIRECTDRAW ddraw, DWORD dwFlags,
|
|
LPPALETTEENTRY palent)
|
|
{
|
|
ICOM_THIS(IDirectDrawPaletteImpl,iface);
|
|
TRACE("(%p)->(%p,%ld,%p)\n", This, ddraw, dwFlags, palent);
|
|
return DDERR_ALREADYINITIALIZED;
|
|
}
|
|
|
|
HRESULT WINAPI
|
|
Main_DirectDrawPalette_GetCaps(LPDIRECTDRAWPALETTE iface, LPDWORD lpdwCaps)
|
|
{
|
|
ICOM_THIS(IDirectDrawPaletteImpl,iface);
|
|
TRACE("(%p)->(%p)\n",This,lpdwCaps);
|
|
|
|
*lpdwCaps = This->flags;
|
|
|
|
return DD_OK;
|
|
}
|
|
|
|
HRESULT WINAPI
|
|
Main_DirectDrawPalette_QueryInterface(LPDIRECTDRAWPALETTE iface,
|
|
REFIID refiid, LPVOID *obj)
|
|
{
|
|
ICOM_THIS(IDirectDrawPaletteImpl,iface);
|
|
TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(refiid),obj);
|
|
|
|
if (IsEqualGUID(refiid, &IID_IUnknown)
|
|
|| IsEqualGUID(refiid, &IID_IDirectDrawPalette))
|
|
{
|
|
*obj = iface;
|
|
IDirectDrawPalette_AddRef(iface);
|
|
return S_OK;
|
|
}
|
|
else
|
|
{
|
|
return E_NOINTERFACE;
|
|
}
|
|
}
|
|
|
|
static ICOM_VTABLE(IDirectDrawPalette) DDRAW_Main_Palette_VTable =
|
|
{
|
|
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
|
|
Main_DirectDrawPalette_QueryInterface,
|
|
Main_DirectDrawPalette_AddRef,
|
|
Main_DirectDrawPalette_Release,
|
|
Main_DirectDrawPalette_GetCaps,
|
|
Main_DirectDrawPalette_GetEntries,
|
|
Main_DirectDrawPalette_Initialize,
|
|
Main_DirectDrawPalette_SetEntries
|
|
};
|